Zobrazeno 1 - 10
of 44
pro vyhledávání: '"Roberto Gavioso"'
Publikováno v:
International Journal of Refrigeration. 100:37-47
Measurements of the speed of sound in gaseous cis-1,3,3,3-tetrafluoroprop-1-ene, (R1234ze(Z)), are presented. The measurements were performed using a quasi-spherical acoustic resonator at temperatures between 307 K and 420 K and pressures up to 1.8 M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::976ce97b529415f85e34de8de23b6051
https://doi.org/10.1016/j.ijrefrig.2019.01.021
https://doi.org/10.1016/j.ijrefrig.2019.01.021
Publikováno v:
SMSI 2021 - Plenary Talks.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5b4d6768dc7362b10c3c0dae84c3387
https://doi.org/10.5162/smsi2021/pt4
https://doi.org/10.5162/smsi2021/pt4
Corrigendum: Refractive index gas thermometry between 13.8 K and 161.4 K (2021 Metrologia 58 025008)
Autor:
D. Madonna Ripa, M. Fogliati, Peter P. M. Steur, M. Bertinetti, Giuseppina Lopardo, D. Imbraguglio, Christof Gaiser, D. Giraudi, R. Dematteis, Roberto Gavioso
Publikováno v:
Metrologia. 58:069501
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2d51b0b9e205a42bc1037375af4bb6b
https://doi.org/10.1088/1681-7575/ac2d9e
https://doi.org/10.1088/1681-7575/ac2d9e
Publikováno v:
Measurement. 94:149-156
We report a summary of the technical achievements of the European Metrology Research Programme (EMRP) 'Implementing the new Kelvin' (InK 1) project. In short these are: - The first determination of definitive thermodynamic temperatures for the point
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48331c9b16c280920a40b9e6f7152359
https://doi.org/10.1016/j.measurement.2016.07.069
https://doi.org/10.1016/j.measurement.2016.07.069
Autor:
M. Fogliati, Roberto Gavioso, D. Giraudi, Christof Gaiser, D. Madonna Ripa, R. Dematteis, M. Bertinetti, Giuseppina Lopardo, Peter P. M. Steur, D. Imbraguglio
Publikováno v:
Metrologia. 58:025008
We have measured the refractive index of helium using a quasi-spherical copper microwave resonator at five different temperatures in the interval between the triple point of hydrogen at 13.8 K and the triple point of xenon at 161.4 K for pressures up
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb5a4af7db68441b851051c6a44f43cd
https://doi.org/10.1088/1681-7575/abe249
https://doi.org/10.1088/1681-7575/abe249
Publikováno v:
2018 Conference on Precision Electromagnetic Measurements (CPEM 2018).
We present a novel pressure standard for helium gas based on the measurement of resonance frequencies of a superconducting cavity and ab initio calculations of the thermophysical properties of helium. It should improve significantly the accuracy of m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c83087c2589a7141d07074ad108dcbde
https://doi.org/10.1109/cpem.2018.8500912
https://doi.org/10.1109/cpem.2018.8500912
Autor:
J. T. Zhang, Laurent Pitre, José J. Segovia, Christof Gaiser, D. R. White, Bernd Fellmuth, Roberto Gavioso, Livio Gianfrani, G. Sutton, Graham Machin, F. Sparasci, Robin Underwood, O. Kozlova, Samuel P. Benz, Lara Risegari, Peter P. M. Steur, S. Briaudeau, Antonio Castrillo, Elias Moufarej, M.D. Plimmer, Michael R. Moldover, T. Zandt, Joachim Fischer, Jifeng Qu, Luigi Moretti, M.C. Martín, Christophe Daussy, Benoît Darquié, M de Podesta, XiaoJuan Feng, D. Madonna Ripa, D. del Campo
Publikováno v:
Metrologia
Metrologia, IOP Publishing, 2018, 55 (2), pp.R1-R20. ⟨10.1088/1681-7575/aaa790⟩
Metrologia, IOP Publishing, 2018, 55 (2), pp.R1-R20. ⟨10.1088/1681-7575/aaa790⟩
International audience; The International Committee for Weights and Measures (CIPM), at its meeting in October 2017, followed the recommendation of the Consultative Committee for Units (CCU) on the redefinition of the kilogram, ampere, kelvin and mol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d40501726fa7371fd5d9778ed713e857
http://hdl.handle.net/11591/384862
http://hdl.handle.net/11591/384862
Publikováno v:
Metrologia. 52:S376-S384
We review correlated uncertainties among the accurate determinations of the Boltzmann constant that used the techniques of primary acoustic gas thermometry (AGT). We find correlated uncertainty contributions from four sources: (1) the uncertain chemi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8f14190ddabedcf6740cfb511848082
https://doi.org/10.1088/0026-1394/52/5/s376
https://doi.org/10.1088/0026-1394/52/5/s376
Autor:
D. Madonna Ripa, Cécile Guianvarc'H, Finlay M. Stuart, Peter P. M. Steur, Christof Gaiser, Roberto Gavioso, P Tarizzo, Daniel Truong, R. Dematteis
Publikováno v:
Metrologia. 52:S274-S304
We have determined the acoustic and microwave frequencies of a misaligned spherical resonator maintained near the temperature of the triple point of water and filled with helium with carefully characterized molar mass g mol−1, with a relative stand
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe53f9ca7438f26fcac7212e473526f5
https://doi.org/10.1088/0026-1394/52/5/s274
https://doi.org/10.1088/0026-1394/52/5/s274
Autor:
M. Val'ková, J.G. Gallegos, Volker Ebert, A. Peruzzi, H. Mitter, Martti Heinonen, S A Bell, N. Böse, Hannu Sairanen, R. Benyon, R. Bosma, M Stevens, S. Avila, Roberto Gavioso, A.M. Benito
Publikováno v:
Gallegos, J G, Benyon, R, Avila, S, Benito, A, Gavioso, R M, Mitter, H, Bell, S, Stevens, M, Böse, N, Ebert, V, Heinonen, M, Sairanen, H, Peruzzi, A, Bosma, R & Val'ková, M 2015, ' An investigation of the comparative performance of diverse humidity sensing techniques in natural gas ', Journal of Natural Gas Science and Engineering, vol. 23, pp. 407-416 . https://doi.org/10.1016/j.jngse.2015.02.021
Moisture content is a key factor regardless of the activity carried out inside the natural gas industry (production, processing, transmission, etc.). Not only does the efficiency of the final product, known as heating value, decrease when the water c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::371209028d45ed617a9be2102e5265f4
https://doi.org/10.1016/j.jngse.2015.02.021
https://doi.org/10.1016/j.jngse.2015.02.021